準備了《小學二年級數(shù)學口算輔導練習題》，供大家參考!
21+50= 70-11= 78-17= 31+32=
26+40= 6×5= 4×4= 25+25=
95-20= 36+40= 83-83= 4×2=
75-40= 90-80= 50+37= 43+42=
27-11= 37-3= 8+17= 55+45=
58+2= 46-14= 3×3= 45+15=
90-29= 65+9= 43+37= 1×1=
30+27= 7+36= 8+12= 10+22=
37-26= 72-7= 5+43= 38+22=
24-24= 4×3= 2×2= 60+35=
33-7= 49+11= 3×2= 6×2=
98+2= 12-7= 49+51= 38+12=
93-80= 96-8= 67+7= 27+35=
5×4= 4×6= 4+2= 40-2=
3×3+2= 4×5-1= 6×6-7= 4×3+4=
21+50= 70-11= 78-17= 31+32=
26+40= 6×5= 4×4= 25+25=
95-20= 36+40= 83-83= 4×2=
75-40= 90-80= 50+37= 43+42=
27-11= 37-3= 8+17= 55+45=
58+2= 46-14= 3×3= 45+15=
90-29= 65+9= 43+37= 1×1=
30+27= 7+36= 8+12= 10+22=
37-26= 72-7= 5+43= 38+22=
24-24= 4×3= 2×2= 60+35=
33-7= 49+11= 3×2= 6×2=
98+2= 12-7= 49+51= 38+12=
93-80= 96-8= 67+7= 27+35=
5×4= 4×6= 4+2= 40-2=
3×3+2= 4×5-1= 6×6-7= 4×3+4=